MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The critical ClamAV detection and high ML classifier score indicate a malicious PDF. The presence of embedded JavaScript, flagged by multiple heuristics, strongly suggests an exploit is being used to execute arbitrary code. The JavaScript is likely responsible for downloading and executing a second-stage payload, as indicated by the 'ML_NYX_PDF_MALICIOUS' heuristic and the 'Pdf.Exploit.Agent-1710' ClamAV signature. The document body is unreadable, so the exact lure cannot be determined.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 4
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ClamAV: Pdf.Exploit.Agent-1710 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-1710
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Optional Content Group with action trigger low PDF_OPTIONAL_CONTENTOptional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0018_000.jsefd1ecbebd2cf79f8f154cb746c9dfc98bde08950ef360f557b5c813d63e2a09 |
pdf-javascript-stream | PDF /JS object 18 at offset 0x330F | 11582 bytes |
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